It doesn't resemble an outside attack though, I posted the error that is left in the server logs.
"23.06 16:11:40 [Disconnect] User Tsamrek has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User xxNavyxxSealsxx has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User austinr55 has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User Flawlesslyy has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User MarioPartyFan01 has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User joshlong42 has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User MasterSam1431 has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User ProfessorMc12 has disconnected, reason: Server shutting down
23.06 16:11:40 [Disconnect] User CamiloY09 has disconnected, reason: Server shutting down
23.06 16:11:40 [Multicraft] Server stopped
23.06 16:11:38 [Multicraft] Error writing to server: [Errno 32] Broken pipe
23.06 16:11:38 [Multicraft] Error writing to server: [Errno 32] Broken pipe
23.06 16:11:38 [Multicraft] Stopping server!
23.06 16:11:38 [Multicraft] Server shut down
23.06 16:11:12 [Server] INFO MarioPartyFan01 has released a container."